RBIL61 - Memory Map

RBIL61 - Memory Map

Applications
BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.
Expansion Bus BIOSes
Vendor-specific BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. Extensions
DOS Kernel
Hardware
Vendor-specific Hardware
Disk I/O Enhancements
Mouse/pointing Device
Printer Enhancements
Serial I/O
Japanese
Keyboard Enhancers
Memory Management
Network
Reserved (and Not Otherwise Classified)
Power Management
Video